Lennox 78M26 Crankcase Heater Thermostat

The Lennox 78M26 Crankcase Heater Thermostat is a specialist component that HVAC systems, especially in compressors during colder weather. This thermostat type is an SPST switch that operates at 125V, assuring consistent and efficient functioning. The tiny design, measuring 13" in length, 1" in width, and 1" in height, enables for simple installation inside the compressor crankcase. The thermostat activates at 74°F, keeping the oil heated enough to prevent refrigerant from condensing into it, which might cause lubrication issues and compressor damage. This crankcase heater thermostat is commonly used in air conditioning units, heat pumps, and refrigeration systems, and plays a key role. Its reliable operation makes it an essential component in maintaining optimal HVAC system performance, particularly in cold climates where refrigerant migration is a common concern.